This is the UML sequence diagram of Examination Management System which shows the interaction between the objects of Courses, Papers, Students, Marks, Exam. The instance of class objects involved in this UML Sequence Diagram of Examination Management System are as follows:

• Courses Object
• Papers Object
• Students Object
• Marks Object
• Exam Object

This is the UML sequence diagram of Exam Seating Management System which shows the interaction between the objects of , Teacher, Block, Room, Exam. The instance of class objects involved in this UML Sequence Diagram of Exam Seating Management System are as follows:

• Object
• Teacher Object
• Block Object
• Room Object
• Exam Object

This is the UML sequence diagram of Event Tracker System which shows the interaction between the objects of Tracking, Event, Images, Venue, Video. The instance of class objects involved in this UML Sequence Diagram of Event Tracker System are as follows:

• Tracking Object
• Event Object
• Images Object
• Venue Object
• Video Object

This is the UML sequence diagram of Error Tracking System which shows the interaction between the objects of Tester, Project, Tracking, Timeslot, Error. The instance of class objects involved in this UML Sequence Diagram of Error Tracking System are as follows:

• Tester Object
• Project Object
• Tracking Object
• Timeslot Object
• Error Object

This is the UML sequence diagram of Enrollment System which shows the interaction between the objects of Course, Enrollment, Fees, Login, Student. The instance of class objects involved in this UML Sequence Diagram of Enrollment System are as follows:

• Course Object
• Enrollment Object
• Fees Object
• Login Object
• Student Object

This is the UML sequence diagram of Employee Management System which shows the interaction between the objects of Employee, Experience, Salary, , Leaves. The instance of class objects involved in this UML Sequence Diagram of Employee Management System are as follows:

• Employee Object
• Experience Object
• Salary Object
• Object
• Leaves Object

This is the UML sequence diagram of E-Billing Management System which shows the interaction between the objects of Payment Transactions, Receipts, Payment Mode, Bills, Customer. The instance of class objects involved in this UML Sequence Diagram of E-Billing Management System are as follows:

• Payment Transactions Object
• Receipts Object
• Payment Mode Object
• Bills Object
• Customer Object

This is the UML sequence diagram of E-Learning Management System which shows the interaction between the objects of Training, Fees, Durations, Subject, Students. The instance of class objects involved in this UML Sequence Diagram of E-Learning Management System are as follows:

• Training Object
• Fees Object
• Durations Object
• Subject Object
• Students Object

This is the UML sequence diagram of E-Governace System which shows the interaction between the objects of Payment, Exchange of Information, Government Services, Petition, Bill. The instance of class objects involved in this UML Sequence Diagram of E-Governace System are as follows:

• Payment Object
• Exchange of Information Object
• Government Services Object
• Petition Object
• Bill Object

This is the UML sequence diagram of E-library Management System which shows the interaction between the objects of Fees, Durations, Shedules, Students, Course. The instance of class objects involved in this UML Sequence Diagram of E-library Management System are as follows:

• Fees Object
• Durations Object
• Shedules Object
• Students Object
• Course Object